﻿#region Copyright and License
// Copyright 2010..2012 Alexander Reinert
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ARSoft.Tools.Net.Dns
{
	/// <summary>
	///   Base class of EDNS options
	/// </summary>
	public abstract class EDnsOptionBase
	{
		/// <summary>
		///   Type of the option
		/// </summary>
		public EDnsOptionType Type { get; internal set; }

		internal EDnsOptionBase(EDnsOptionType optionType)
		{
			Type = optionType;
		}

		internal abstract void ParseData(byte[] resultData, int startPosition, int length);
		internal abstract ushort DataLength { get; }
		internal abstract void EncodeData(byte[] messageData, ref int currentPosition);
	}
}